/**
 * boolean
 * []
 * string
 * number
 * function
 * any
 * 
 * object
 * null
 * undefined
 * any
 * enum
 * void
 * never
 * 
 * */ 

/**
 * 
 * 
 * 
 * */ 
// 必须要会， 而且要很会
export interface PersonState {
  name: string
  age: number
  readonly code: number
  sex?: string
}